TY  - RPRT
TI  - Sinus node electrography: one perspective.
AU  - J A Reiffel
PY  - 1983
DO  - 10.1016/0167-5273(83)90181-x
UR  - https://pubmed.ncbi.nlm.nih.gov/6874149/
ID  - 6874149
ER  -